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Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
chiller monitoring systems comprised of hvac-interface units and computer hardware, for monitoring performance and/or power consumption of chillers, pumps, fans, boilers, hot water heaters, heat exchangers, and compressed air systems to collect and communicate operational data; web-based real time continuous monitoring systems comprised of hvac-interface units and computer hardware, for chillers, pumps, fans, boilers, hot water heaters, heat exchangers, and compressed air systems; system comprised of hvac-interface units and computer hardware, to provide fault detection and diagnostics for chillers, pumps, fans, boilers, hot water heaters, heat exchangers, and compressed air systems; system comprised of hvac-interface units and computer hardware, to provide optimization for chillers, pumps, fans, boilers, hot water heaters, heat exchangers, and compressed air systems